A time-to-digital converter based on a digitally controlled oscillator
2016Vol. 62, pp. 1–2
Citations Over TimeTop 18% of 2016 papers
S. Cadeddu, A. Aloisio, F. Ameli, Paolo Bifulco, V. Bocci, L. Casu, R. Giordano, V. Izzo, A. Lai, A. Loi, S. Mastroianni
Abstract
Typically, TDAQ systems of High Energy Physics experiments, require time measurements, for example in synchronization or calibration activities. Usually, mixed-signal design is used for the design of time measurement circuits, but in the recent past the research is also studying all-digital design, that have many advantages with respect to the previous approach. In this work, we present a full-digital TDC application, based on a synthesizable DCO. The DCO design is technology-independent, it is described by means of a hardware description language and it can be placed and routed with automatic tools. We present the TDC architecture, the DCO performances and the results on a preliminary prototype, implemented on a 130 nm ASIC.
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